In open software, also the weak spots, like security issues, are openly accessible. This is often raised as an argument against going open. However, the advantage of being open is that there are many stakeholders interesting in fixing the security issues as soon as possible, and making those fixes available. Based on experience from Axis Communications long time use of open source software, Fredrik Hugosson presents how security issues may be handled in open communities. And it implies, you have to update.